发明名称 |
SYSTEM, METHOD AND COMPUTER PROGRAM PRODUCT FOR MANAGING A GROUP OF COPIES OF A DATA ENTITY |
摘要 |
A method for managing a group of targets is provided. The method includes: receiving a request to update a x'th generation copy of a data entity, where x is a positive integer. Then applying an update function responsive to x such as to update a first sub-group of targets. Then receiving a request to read a y'th generation copy of the data entity and (iv) applying a retrieve function responsive to y such as to search for the y'th generation copy of the data entity in a second sub-group of targets. The first and second sub-groups intersect only once and only if y does not exceed x. |
申请公布号 |
US2009177713(A1) |
申请公布日期 |
2009.07.09 |
申请号 |
US20080971100 |
申请日期 |
2008.01.08 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
ZLOTNICK AVIAD |
分类号 |
G06F17/30 |
主分类号 |
G06F17/30 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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